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Finding the Fourth Proportional to 265,338.63, 366,158.75 and 144,478.94

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Solution

The fourth proportional to 265,338.63, 366,158.75 and 144,478.94 is: 199,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,338.63 : 366,158.75 = 144,478.94 : x
  2. Step 2: Convert to fraction form
    265,338.63/366,158.75 = 144,478.94/x
  3. Step 3: Cross multiply
    265,338.63x = 366,158.75 × 144,478.94
  4. Step 4: Simplify right side
    265,338.63x = 52,902,225,518.54
  5. Step 5: Solve for x
    x = 52,902,225,518.54/265,338.63
  6. Step 6: Final answer
    x = 199,376.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.